<!DOCTYPE html>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->


<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <!-- <script src="ut/lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
            .test-title {
                background: #146402;
                color: #fff;
            }
            #info {
                position: fixed;
                left: 0;
                top: 0;
                background: #333;
                color: #fff;
                padding: 2px 5px;
                z-index: 9999;
                box-shadow: 0 0 2px #333;
            }
        </style>

        <br>
        <br>
        <br>

        <div id="info"></div>

        <div id="main0"></div>





        <script>
            var USE_HOVER_LAYER_KEY = '__EC_TEST_USE_HOVER_LAYER_KEY___';

            var useHoverLayer = getUseHoverLayer();
            var hoverLayerThreshold = useHoverLayer ? 0 : null;
            var infoEl = document.getElementById('info');
            genInfo();

            function setUseHoverLayer(useHoverLayer) {
                window.localStorage.setItem(USE_HOVER_LAYER_KEY, useHoverLayer ? 'true' : '');
            }
            function getUseHoverLayer() {
                return !!window.localStorage.getItem(USE_HOVER_LAYER_KEY);
            }

            function genInfo(zrRefreshTimestamp) {
                infoEl.innerHTML = [
                    '<span style="color:yellow">'
                        + (useHoverLayer ? 'Using HoverLayer' : 'NOT using HoverLayer')
                    + '</span>',
                    'hoverLayerThreshold: ' + hoverLayerThreshold,
                    'zr refresh base layer at: <span style="color:yellow">' + (zrRefreshTimestamp || null) + '</span>'
                ].join('<br>');
            }

            function genHoverLayerBtns() {
                return [{
                    text: 'NOT use hoverLayer',
                    onclick: function () {
                        setUseHoverLayer(false);
                        location.reload();
                    }
                }, {
                    text: 'Use hoverLayer',
                    onclick: function () {
                        setUseHoverLayer(true);
                        location.reload();
                    }
                }]
            }

            var originalCreate = testHelper.create;
            testHelper.create = function (echarts, dom, opt) {
                if (opt.option.hoverLayerThreshold === void 0) {
                    throw new Error('"hoverLayerThreshold" should be set');
                }

                var buttons = opt.buttons || [];
                opt.buttons = buttons = genHoverLayerBtns().concat(buttons);
                var chart = originalCreate.call(this, echarts, dom, opt);

                if (chart) {
                    var zr = chart.getZr();
                    var originalRefreshImmediately = zr.refreshImmediately;
                    zr.refreshImmediately = function () {
                        var result = originalRefreshImmediately.apply(this, arguments);
                        // Make sure refreshImmediately is not called when `useHoverLayer`.
                        genInfo(+new Date());
                        return result;
                    };
                }

                return chart;
            }
        </script>








        <script>
        require(['echarts'], function (echarts) {
            var option;

            option = {
                hoverLayerThreshold: hoverLayerThreshold,
                xAxis: {},
                yAxis: {},
                grid: {
                    right: '50%'
                },
                legend: {
                    selector: true
                },
                series: [{
                    type: 'line',
                    name: 'b',
                    symbol: 'circle',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 242], [23, 442]]
                }, {
                    type: 'line',
                    name: 'c',
                    symbol: 'circle',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 222], [23, 244]]
                }, {
                    type: 'scatter',
                    name: 'd',
                    symbol: 'rect',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 322], [23, 344]]
                }, {
                    type: 'pie',
                    center: ['75%', '50%'],
                    data: [{
                        name: 'pieA', value: 50,
                    }, {
                        name: 'pieB', value: 30
                    }]
                }]
            };

            var chart = testHelper.create(echarts, 'main0', {
                title: [
                    '(A) Click legend "b" and then click "反选". ',
                    '    The displayed symbol should in **normal style**.',
                    '(B) Click legend "b" to hide and then click the button to toggle legend item "b".',
                    '    The displayed symbol should in **normal style**.',
                    '(C) Click legend "b" and click again',
                    '    The displayed symbol should in **emphasis style**.',
                    '(D) Click legend "pieA" and click again',
                    '    The displayed symbol should in **emphasis style**.',
                ],
                height: 300,
                option: option,
                buttons: [{
                    text: 'toggle legend item "b"',
                    onclick: function () {
                        chart.dispatchAction({
                            type: 'legendToggleSelect',
                            name: 'b'
                        });
                    }
                }]
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


    </body>
</html>

